/*
 *按位与计算
 *									3	--	011
 *									5	--	101
 *									0 & 1 = 0
 *									1 & 0 = 0
 *									1 & 1 = 1
 *									3 & 5 = (001) = 1
 */

#include<stdio.h>

int main() {
	int a = 3, b = 5;
	printf("%d&%d=%d\n", a, b, a & b);
	return 0;
}
